3D mechanical analysis of aeronautical plain bearings: Validation of a finite element model from measurement of displacement fields by digital volume correlation and optical scanning tomography
On Airbus aircraft, spherical plain bearings are used on many components; in particular to link engine to pylon or pylon to wing. Design of bearings is based on contact pressure distribution on spherical surfaces. To determine this distribution, a 3D analysis of the mechanical behaviour of aeronauti...
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| Veröffentlicht in: | Optics and lasers in engineering 2010-06, Vol.48 (6), p.676-683 |
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| creator | Germaneau, A. Peyruseigt, F. Mistou, S. Doumalin, P. Dupré, J.-C. |
| description | On Airbus aircraft, spherical plain bearings are used on many components; in particular to link engine to pylon or pylon to wing. Design of bearings is based on contact pressure distribution on spherical surfaces. To determine this distribution, a 3D analysis of the mechanical behaviour of aeronautical plain bearing is presented in this paper. A numerical model has been built and validated from a comparison with 3D experimental measurements of kinematic components. For that, digital volume correlation (DVC) coupled with optical scanning tomography (OST) is employed to study the mechanical response of a plain bearing model made in epoxy resin. Experimental results have been compared with the ones obtained from the simulated model. This comparison enables us to study the influence of various boundary conditions to build the FE model. Some factors have been highlighted like the fitting behaviour which can radically change contact pressure distribution. This work shows the contribution of a representative mechanical environment to study precisely mechanical response of aeronautical plain bearings. |
| doi_str_mv | 10.1016/j.optlaseng.2010.01.010 |
| format | Article |
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Design of bearings is based on contact pressure distribution on spherical surfaces. To determine this distribution, a 3D analysis of the mechanical behaviour of aeronautical plain bearing is presented in this paper. A numerical model has been built and validated from a comparison with 3D experimental measurements of kinematic components. For that, digital volume correlation (DVC) coupled with optical scanning tomography (OST) is employed to study the mechanical response of a plain bearing model made in epoxy resin. Experimental results have been compared with the ones obtained from the simulated model. This comparison enables us to study the influence of various boundary conditions to build the FE model. Some factors have been highlighted like the fitting behaviour which can radically change contact pressure distribution. 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Design of bearings is based on contact pressure distribution on spherical surfaces. To determine this distribution, a 3D analysis of the mechanical behaviour of aeronautical plain bearing is presented in this paper. A numerical model has been built and validated from a comparison with 3D experimental measurements of kinematic components. For that, digital volume correlation (DVC) coupled with optical scanning tomography (OST) is employed to study the mechanical response of a plain bearing model made in epoxy resin. Experimental results have been compared with the ones obtained from the simulated model. This comparison enables us to study the influence of various boundary conditions to build the FE model. Some factors have been highlighted like the fitting behaviour which can radically change contact pressure distribution. This work shows the contribution of a representative mechanical environment to study precisely mechanical response of aeronautical plain bearings.</description><subject>3D measurements</subject><subject>Aeronautics</subject><subject>Aerospace engines</subject><subject>Aircraft</subject><subject>Aircraft components</subject><subject>Computer simulation</subject><subject>Diffraction and scattering</subject><subject>DVC</subject><subject>Engineering Sciences</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Image reconstruction; tomography</subject><subject>Imaging and optical processing</subject><subject>Mathematical models</subject><subject>Mechanics</subject><subject>Numerical modelling</subject><subject>Optics</subject><subject>Physics</subject><subject>Plain bearings</subject><subject>Scattered light</subject><subject>Spherical plain bearings</subject><subject>Three dimensional</subject><subject>Wave optics</subject><issn>0143-8166</issn><issn>1873-0302</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkc-O0zAQxiMEEmXhGfAFIQ7pjuPEabhVy59FqrQX4GpN7EnryrGLnVbq4_FmuM2qV6SRLH_-zTfjmaJ4z2HJgcv7_TIcJoeJ_HZZQVaB54AXxYKvWlGCgOplsQBei3LFpXxdvElpDzmz5nxR_BVf2Eh6h95qdAw9unOyiYWBIcXg8ThdHw4OrWc9YbR-mz6z3-iswckGf0XZYL2diJGjkfzExmDIsSGGMbtjOsZZzqixKXvp-T5Yciax_pzlrZ1ynVNwx5GYDjGSm_3RG5a_eG0jafQ-d8CmMIZtxMPu_LZ4NaBL9O75vCt-ffv68-Gx3Dx9__Gw3pS6ljCVArEWlZGSoO9Ni7Sq6w6x76SsgKoWoGq6WhrRtIYanS8GBuzQGKKcQOKu-DT77tCpQ7QjxrMKaNXjeqMuGoimbrpGnnhmP87sIYY_R0qTGm3S5Bx6Csek2ka0tYBWZrKdSR1DSpGGmzUHddmv2qvbftVlvwp4DsiZH55rYJ6KGyJ6bdMtvaokiKqpM7eeOcrDOVmKKmlLXpOxkfSkTLD_rfUPu4_FTA</recordid><startdate>20100601</startdate><enddate>20100601</enddate><creator>Germaneau, A.</creator><creator>Peyruseigt, F.</creator><creator>Mistou, S.</creator><creator>Doumalin, P.</creator><creator>Dupré, J.-C.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>L7M</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0001-6150-4104</orcidid><orcidid>https://orcid.org/0000-0001-7485-1084</orcidid><orcidid>https://orcid.org/0000-0001-5235-364X</orcidid></search><sort><creationdate>20100601</creationdate><title>3D mechanical analysis of aeronautical plain bearings: Validation of a finite element model from measurement of displacement fields by digital volume correlation and optical scanning tomography</title><author>Germaneau, A. ; 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| ispartof | Optics and lasers in engineering, 2010-06, Vol.48 (6), p.676-683 |
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| source | Elsevier ScienceDirect Journals |
| subjects | 3D measurements Aeronautics Aerospace engines Aircraft Aircraft components Computer simulation Diffraction and scattering DVC Engineering Sciences Exact sciences and technology Fundamental areas of phenomenology (including applications) Image reconstruction tomography Imaging and optical processing Mathematical models Mechanics Numerical modelling Optics Physics Plain bearings Scattered light Spherical plain bearings Three dimensional Wave optics |
| title | 3D mechanical analysis of aeronautical plain bearings: Validation of a finite element model from measurement of displacement fields by digital volume correlation and optical scanning tomography |
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